from django.db import DatabaseError
import logging
from redis.exceptions import RedisError
from rest_framework.response import Response
from rest_framework.views import exception_handler as drf_exception_handler
from rest_framework import status


def exception_handler(exc, context):
    response = drf_exception_handler(exc, context)

    if response is None:
        view = context['view']
        if isinstance(view, DatabaseError) or isinstance(view, RedisError):
            logging.error('[%s]%s' % (view, exc))
            response = Response({'message': '服务器内部错误'},status=status.HTTP_507_INSUFFICIENT_STORAGE)

    return response

